Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer.
In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Extreme weather events lead to significant adverse societal costs. Extreme Event Attribution EEA , a methodology that examines how anthropogenic greenhouse gas emissions had changed the occurrence of specific extreme weather events, allows us to quantify the climate change-induced component of these costs.
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We collect data from all available EEA studies, combine these with data on the socio-economic costs of these events and extrapolate for missing data to arrive at an estimate of the global costs of extreme weather attributable to climate change in the last twenty years. Our results suggest that the frequently cited estimates of the economic costs of climate change arrived at by using Integrated Assessment Models may be substantially underestimated. Extreme weather events have significant adverse costs for individuals, firms, communities, and regional economies.
Based on the available data from the International Disaster Database EM-DAT , the World Meteorological Organization 1 reports that there has been a sevenfold increase in the reported disaster losses from extreme weather since the s. The most recent Intergovernmental Panel on Climate Change Report 2 notes it is virtually certain that there is a climate change component in the increase in reported disaster damage at least of some types, with weaker evidence for others.
The detection of anthropogenic changes in the frequency, severity, spatial location, and extent of extreme weather events is consequently important. Extreme Event Attribution EEA is a methodological approach that examines the degree to which anthropogenic greenhouse gas emissions had changed the occurrence of specific extreme weather events that have indeed occurred.
